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Originally Posted by Guest
dougie...you just don't get it...NOTHING is "free"...it ALWAYS takes more energy to make something than you'll get out of it later...always.
It took more energy (created more heat) to make and run your air conditioner than the amount of energy (heat) it removes.
Likewise...it takes MORE energy to manufacture AND charge a battery than you'll EVER get out of it.
They talk about efficiencies in batteries how efficient they are at taking the energy you input and turning it into chemical energy to be released later.
NOTHING is FREE...you NEVER end up with more than you started with when it comes to energy.
If you don't understand now...well...you may never.
According to you...you could run EVERYTHING on the batteries you are manufacturing with NO outside energy...which is false.
This is the minutiae that most people miss.
Sorry...didn't mean to curse at you...it's not your fault.
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We are agreeing on something, nothing is free. I don't think you know it but you kind of stating the 1st law of thermodynamics. Let's break down you arguments and who knows maybe we can teach you some thermodynamics. Yes you can't get the energy you spent building an air conditioner out of it again. That energy is now "locked" in the unit. This is totally different from the energy you put into it to make it work. Thermodynamics says the amount of energy (electricity) and the amount of cold air produced are equal (ignoring small mechanical loss). As long as you have electricity you can run this cycle over and over again and it is no way related to the amount of energy it took to build the air conditioner, you cannot get that energy back (think of the energy lost in making the metal to build the unit). To get cold air you have to input energy, electricity from either coal or a windmill. Try looking up the first law of thermodynamics and avoid websites pushing pseudo science.